Refrigerant 134a enters a horizontal pipe operating at steady state at 40°c, 300 kpa, and a velocity of 40 m/s. at the exit, the temperature is 90°c and the pressure is 240 kpa. the pipe diameter is 0.055 m. determine: (a) the mass flow rate of the refrigerant, in kg/s, (b) the velocity at the exit, in m/s, and (c) the rate of heat transfer between the pipe and its surroundings, in kw.

gravity

explanation:

i think the answer is a and b

i wish you luck

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

explanation:

wheres the pic